208224223 has 2 divisors, whose sum is σ = 208224224. Its totient is φ = 208224222.

The previous prime is 208224193. The next prime is 208224239. The reversal of 208224223 is 322422802.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208224223 - 2²¹ = 206127071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208224283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104112111 + 104112112.

It is an arithmetic number, because the mean of its divisors is an integer number (104112112).

Almost surely, 2^208224223 is an apocalyptic number.

208224223 is a deficient number, since it is larger than the sum of its proper divisors (1).

208224223 is an equidigital number, since it uses as much as digits as its factorization.

208224223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 208224223 is about 14429.9765419075. The cubic root of 208224223 is about 592.7120409921.

The spelling of 208224223 in words is "two hundred eight million, two hundred twenty-four thousand, two hundred twenty-three".